• To celebrate the National Park Service’s birthday, the agency is waiving entrance fees at dozens of national parks today. Fee waiver includes entrance fees, commercial tour fees and transportation entrance fees; camping, tours, concessions and third-party costs are not included. The no-fee day is valid at Park Service attractions in 39 states, as well as at national historic sites on St. Croix and Puerto Rico. Savings vary. Sample fees: Cape Cod National Seashore, $15 per day; Yellowstone, $25 per car and $12 per non-motorized entry; and Shenandoah National Park, $10 or $15 per car (for up to seven days) and $5 or $8 per individual. In addition, no admission is required Sept. 28 (National Public Lands Day) and Nov. 9-11 (Veterans Day weekend). Info: www.nps.gov/findapark/feefreeparks.htm.

• With Insight Cuba, couples save up to $1,000 on 14 departures from October through December. The deal applies to five Cuba tours: the seven-night Classic Cuba, the seven-night Scenic Cuba, the 11-night Undiscovered Cuba, the five-night Vintage Cuba and the three-night Weekend Cuba. Prices and savings ($200 to $500 per person) vary. For instance, with the $500 per-person discount, the Classic Cuba trip now costs $3,395 per person double; depart Nov. 19, Nov. 26 or Dec. 3. Price includes first-class accommodations; all meals; entrance fees; ground transportation and transfers; insurance and emergency medical evacuation; and taxes. Airfare from Miami to Havana is $500 to $600 more. Book by Sept. 30. Info: (800) 450-2822, www.insightcuba.com.

• Book a five-night vacation at any of 55 participating properties in Barbados and receive $150 in spending money, or book seven nights and receive $200 per person. The vouchers, which are distributed at check-in, can be used at dozens of attractions, restaurants and car rental companies. Lodging prices vary. For example, a weeklong stay for two at the all-inclusive Island Inn Hotel in Bridgetown in early October is $1,750, including meals, drinks and taxes. Complete travel by Dec. 21. Book by Sept. 21 at www.visitbarbados.org/islandinclusive using booking code BII2013.